Provider Profile
Based in Coon Rapids, MN, John A. Kosiak, MN is listed in the NPI registry under radiation oncology. According to Medicare claims data, John cared for 151 Medicare patients across 620 services. The services billed most often include ct guidance for insertion of radiation therapy fields, intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session, and radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev. NPI 1033101886 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11850 BLACKFOOT ST NW STE 150
Coon Rapids, MN 55433
Within Radiation Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Benign condition
Blood and lymph cancer
Bone cancer
Brain tumors
Cancer emergencies
Chest cancer
Endocrine cancer
Eye cancer
Eye conditions
Foot conditions
Gastrointestinal cancer
Gynecologic cancer
Head & neck cancer
Head and neck cancer
Metastatic cancer
Neurologic condition
Orthopedic conditions
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle therapy
Precision radiation
Prostate cancer treatment
Prostate protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
620 services · 151 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
174 | Less often than most peers in Radiation Oncology |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
56 | Less often than most peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
45 | Less often than most peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
42 | Less often than most peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
38 | Less often than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
14 | Less often than most peers in Radiation Oncology |
| Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | Billing code | G6015 |
168 | Less often than most peers in Radiation Oncology |
| Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | Billing code | G6012 |
68 | Less often than most peers in Radiation Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 | Less often than most peers in Radiation Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John A. Kosiak is a radiation oncologist in Coon Rapids, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
John A. Kosiak is listed at 11850 Blackfoot St Nw Ste 150, Coon Rapids, MN 55433. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (763) 433-0221. Contact the office directly to confirm availability and scheduling.
NPI registry
John A. Kosiak's National Provider Identifier is 1033101886. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
John A. Kosiak has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, John A. Kosiak performs imaging including ct guidance for insertion of radiation therapy fields and continuing radiation therapy consultation per week, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by John A. Kosiak. If this is you, claiming it is free.
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